PHYSICAL-PROPERTIES OF DODECYLTRIMETHYLAMMONIUM BROMIDE (DTAB) MICELLES IN AQUEOUS-SOLUTION AND THEIR BEHAVIOR AS THE REACTION MEDIUM

Authors
RODENAS E DOLCET C VALIENTE M VALERON EC
Citation
E. Rodenas et al., PHYSICAL-PROPERTIES OF DODECYLTRIMETHYLAMMONIUM BROMIDE (DTAB) MICELLES IN AQUEOUS-SOLUTION AND THEIR BEHAVIOR AS THE REACTION MEDIUM, Langmuir, 10(7), 1994, pp. 2088-2094
Citations number
59
Categorie Soggetti
Chemistry Physical
Journal title
Langmuir → ACNP
ISSN journal
07437463
Volume
10
Issue
7
Year of publication
1994
Pages
2088 - 2094
Database
ISI
SICI code
0743-7463(1994)10:7<2088:PODB(M>2.0.ZU;2-T
Abstract
The influence of dodecyltrimethylammonium bromide (DTAB) micelles in a queous solution on the basic hydrolysis of a positively charged (cryst al violet) and a negatively charged (acetylsalicylic acid) substrate h as been studied. The kinetic results have been explained on the basis of the nonlinearized Poisson-Boltzmann equation by considering specifi c interactions that depend on the micellar surface potential between i ons in solution and the micellar surface. The system has been characte rized by steady-state fluorescence quenching, surface tension, and con ductivity measurements. In the manuscript we also discuss the validity of the treatment to explain experimental values of micellar surface p otentials given in previous papers.